diff --git a/mod/quiz/questiontypes/random/questiontype.php b/mod/quiz/questiontypes/random/questiontype.php
index 6c025144a8d..80180eeb935 100644
--- a/mod/quiz/questiontypes/random/questiontype.php
+++ b/mod/quiz/questiontypes/random/questiontype.php
@@ -54,7 +54,7 @@ class quiz_random_qtype extends quiz_default_questiontype {
             } else {
                 $categorylist = $question->category;
             }
-            if ($catrandoms = get_records_select('question',
+            if ($catrandoms = get_records_select('quiz_questions',
                     "category IN ($categorylist)
                          AND parent = '0'
                          AND hidden = '0'